CN217115945U - Driving system for realizing automatic gear shifting of differential mechanism through positive and negative rotation of motor - Google Patents
Driving system for realizing automatic gear shifting of differential mechanism through positive and negative rotation of motor Download PDFInfo
- Publication number
- CN217115945U CN217115945U CN202220923708.4U CN202220923708U CN217115945U CN 217115945 U CN217115945 U CN 217115945U CN 202220923708 U CN202220923708 U CN 202220923708U CN 217115945 U CN217115945 U CN 217115945U
- Authority
- CN
- China
- Prior art keywords
- speed
- motor
- gear
- gear shifting
- positive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a drive system for realizing automatic gear shifting of a differential mechanism through positive and negative rotation of a motor, which comprises a controller, the motor and the positive and negative rotation automatic gear shifting differential mechanism, wherein the controller is connected with a rotating handle signal input end, a high-low speed button and a power supply, the high-low speed button can send a positive and negative rotation control signal to the motor through the controller, and the rotating handle signal input end can adjust the rotating speed of the motor through the controller; the positive and negative rotation automatic gear shifting differential comprises a speed changing shaft, wherein a low-speed gear set, a high-speed gear set and a gear shifting mechanism are mounted on the speed changing shaft, the motor can drive the low-speed gear set to work through the gear shifting mechanism during positive rotation, and the motor can drive the high-speed gear set to work through the gear shifting mechanism during negative rotation. The utility model discloses a having solved ordinary gear shifting mechanism and needing to switch the drawback of the high low-speed of gear shifting under vehicle quiescent condition, this scheme makes the vehicle can freely switch the high low-speed of gear shifting under the state of not stopping at the in-process of traveling, and the in-process vehicle of gear shifting is gone and is not had the feeling of frustrating, and it is comfortable to ride.
Description
Technical Field
The utility model relates to a realize actuating system of automatic gear shifting of differential mechanism through motor just reversing belongs to electric motor car differential mechanism technical field.
Background
The differential of an electric vehicle is a mechanism for changing the rotation speed and torque from an electric motor, and can change the transmission ratio of an output shaft and an input shaft, and is also called a gearbox. Ordinary gear shifting mechanism needs the vehicle to switch high-low speed gear under quiescent condition, and it is inconvenient to switch high-low speed gear, and it is obvious to ride to pause to hinder and feel, influences the comfort level of riding.
SUMMERY OF THE UTILITY MODEL
The utility model provides a realize the actuating system of differential mechanism automatic gear shifting through motor just reversing to inconvenient switching high-low gear among the solution above-mentioned prior art, ride and pause or stop to frustrate and feel obvious problem.
In order to realize the purpose, the utility model discloses a technical scheme be:
a driving system for realizing automatic gear shifting of a differential mechanism through positive and negative rotation of a motor comprises a controller, the motor and the positive and negative rotation automatic gear shifting differential mechanism, wherein the controller is connected with a rotating handle signal input end, a high-low speed button and a power supply; the positive and negative rotation automatic gear shifting differential comprises a speed changing shaft and an output gear arranged on the speed changing shaft, wherein a low-speed gear set, a high-speed gear set and a gear shifting mechanism are arranged on the speed changing shaft, the gear shifting mechanism is arranged between the low-speed gear set and the high-speed gear set, the motor can drive the low-speed gear set to work through the gear shifting mechanism during positive rotation, and the motor can drive the high-speed gear set to work through the gear shifting mechanism during reverse rotation.
Preferably, the shift mechanism includes a sleeve splined to the shift shaft and a paddle splined to the sleeve.
Preferably, the two ends of the poking piece are provided with inclined grooves.
Preferably, the low-speed gear set comprises a first shaft sleeve movably sleeved on the speed changing shaft, a first gear fixedly sleeved on the first shaft sleeve and a first ratchet connected to the first shaft sleeve through a spline, one side, close to the shifting piece, of the first gear is provided with an internal spline matched with an external spline of the shifting piece, the first ratchet matched with the first ratchet is connected to the speed changing shaft through a spline, and a reed is arranged between the first ratchet and the first gear.
Preferably, the high-speed gear set comprises a second shaft sleeve movably sleeved on the speed changing shaft, a second gear fixedly sleeved on the second shaft sleeve and a second ratchet connected to the second shaft sleeve through a spline, the second ratchet is movably sleeved on the speed changing shaft, an inner spline capable of being matched with the outer spline of the shifting piece is arranged on one side, close to the shifting piece, of the second ratchet, and a reed is arranged between the second ratchet and the second gear.
Preferably, the controller is provided with an electronic brake.
Preferably, the positive and negative rotation automatic shifting differential is provided with a mechanical parking mechanism.
Compared with the prior art, the beneficial effects of the utility model are that: by arranging the positive and negative rotation automatic gear shifting differential, the motor can drive the shifting sheet when rotating positively, so that the shifting sheet is matched with the low-speed gear set, the motor can drive the low-speed gear set to work at the moment, and the high-speed gear set does not work, so that the vehicle can run at low speed, large torque is output, the vehicle performance is improved, and the vehicle can climb a slope better; when the motor is switched to reverse rotation, the shifting sheet can be driven to separate from the low-speed gear set to drive the high-speed gear set to work, so that the vehicle can output high rotating speed and constant torque in normal running, the energy consumption is reduced, and the running mileage is increased; through setting up electronic brake, use high low-speed button can make motor stop work fast and carry out reverse operation, more smoothly steady when making high low-speed switch.
Drawings
FIG. 1 is a schematic structural view of a forward/reverse rotation automatic shifting differential of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic diagram of the present invention.
In the figure: 1. the gear shifting device comprises a speed changing shaft, 2, a low-speed gear set, 21, first shaft sleeves, 22, first gears, 23, first ratchets, 24, first ratchets, 3, a high-speed gear set, 31, second shaft sleeves, 32, second gears, 33, second ratchets, 34, second ratchets, 4, gear sleeves, 5, shifting pieces, 6 and an output gear.
Detailed Description
The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the embodiment of the utility model provides a pair of realize actuating system of differential mechanism automatic gear shifting through motor just reversing, including controller, motor, power and the automatic gear shifting differential mechanism of just reversing, the controller not only has the basic function of controller, also has the function that electron brake function and control motor just reverse, and the controller can adopt prior art production preparation. The controller is connected with the power supply, the controller is also connected with a rotating handle signal input end and a high-low speed button, and the high-low speed button can send a forward and reverse rotation control signal to the motor through the controller, so that the motor can rotate forwards or reversely. Because the controller has the electronic brake function, the motor can be quickly stopped when the forward and reverse rotation states of the motor are switched, and the motor can reversely run, so that the high-speed and low-speed switching is smoother and more stable.
The high-low speed button is arranged on the rotary handle, the operation is convenient, the rotary handle is provided with a rotary handle signal input end, and the rotary handle can send a control signal to the controller, so that the controller can change the rotating speed of the motor and adjust the working efficiency of the motor.
The positive and negative rotation automatic gear shifting differential comprises a speed changing shaft 1 and an output gear 6 arranged on the speed changing shaft 1, wherein the output gear 6 is meshed with a gear of a gear packet. The speed change shaft 1 is provided with a low-speed gear set 2, a high-speed gear set 3 and a gear shifting mechanism, and the high-speed gear set 3 and the low-speed gear set 2 can be set to be different in speed ratio combination according to requirements.
The gear shifting mechanism comprises a gear sleeve 4 in splined connection with the speed changing shaft 1 and a shifting sheet 5 in splined connection with the gear sleeve 4. The shifting piece 5 and the gear sleeve 4 are arranged between the low-speed gear set 2 and the high-speed gear set 3, a driving mechanism of the shifting piece 5 is arranged between the shifting piece 5 and the motor, and the position of the shifting piece 5 can be changed when the motor rotates forwards or backwards.
As can be seen from fig. 1 and 2, the low-speed gear set 2 includes a first shaft sleeve 21 movably sleeved on the speed change shaft 1, a first gear 22 is fixedly sleeved on the first shaft sleeve 21, a first ratchet 23 is sleeved on the first shaft sleeve 21 through spline fit, meanwhile, an internal spline capable of being matched with an external spline of the shifting piece 5 is arranged on one side of the first gear 22 close to the shifting piece 5, a first ratchet 24 is installed on the speed change shaft 1 through a spline, the first ratchet 24 and the first ratchet 23 form a ratchet mechanism, and a reed is arranged between the first ratchet 23 and the first gear 22.
Correspondingly, the high-speed gear set 3 comprises a second shaft sleeve 31 movably sleeved on the speed changing shaft 1, a second gear 32 is fixedly sleeved on the second shaft sleeve 31, a second ratchet 33 is sleeved on the second shaft sleeve 31 through a spline, a second ratchet 34 is movably sleeved on the speed changing shaft 1, the second ratchet 34 and the second ratchet 33 form a ratchet mechanism, an internal spline capable of being matched with the external spline of the shifting piece 5 is arranged on one side, close to the shifting piece 5, of the second ratchet 34, and a reed is arranged between the second ratchet 33 and the second gear 32.
Can drive this plectrum 5 during the motor corotation, let plectrum 5 and low-speed gear train 2 cooperations, also let plectrum 5 and gear 22 cooperations promptly, the motor can drive low-speed gear train 2 work this moment, and high-speed gear train 3 is out of work, makes the vehicle low-speed operation output large moment of torsion, promotes vehicle performance, better climbing. When the motor is switched to reverse rotation, the driving sheet 5 can be driven to be separated from the low-speed gear set 2 and matched with the second ratchet wheel 34 of the high-speed gear set 3 to drive the high-speed gear set 3 to work, so that the vehicle can output high rotating speed and constant torque in normal running, the energy consumption is reduced, and the running mileage is increased.
The two ends of the shifting piece 5 are provided with the inclined grooves, so when the shifting piece 5 is separated from the internal splines on the two sides, a gap is reserved between the shifting piece 5 and the internal splines, and gear oil can be quickly separated. The external spline of the plectrum 5 is provided with 9 tooth gaps, so that the plectrum 5 can respond more quickly in the running process, the lead-in time is reduced, and the comfort in switching high and low gears is improved.
The positive and negative rotation automatic gear shifting differential is provided with a mechanical parking mechanism, the specific structure can refer to the prior art, the backward sliding of the vehicle can be effectively controlled in an uphill road section, and the safe running of the vehicle is ensured.
The positive and negative rotation automatic gear shifting differential mechanism is provided with a reverse gear shifting mechanism, and the reverse gear shifting mechanism is controlled by a gear shifting rod. The reversing gear shifting mechanism can refer to the prior art, is not the key point of the utility model, and therefore has no specific description. The reverse gear shifting mechanism locks the second ratchet wheel 34 at the low-speed gear set 2, and the vehicle can realize the reverse working state by using the reverse function.
When the gear shifting rod is in a reversing state, the forward and reverse rotation automatic gear shifting differential is in a working state of the low-speed gear set 2, the high-speed and low-speed buttons are controlled to switch the forward and reverse rotation of the motor, the vehicle can move forward and reverse in the low-speed state, and the mechanical parking mechanism fails in the state.
When in use: the initial state that the vehicle traveles is low-speed running state, and motor drive low-speed gear set 2 works promptly, when needs change gear, only need through using high low-speed button, the controller sends reversal control signal, and the motor takes place the reversal, lets high-speed gear set 3 work through plectrum 5, and low-speed gear set 2 is out of work can realize the change of gear.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (7)
1. A driving system for realizing automatic gear shifting of a differential mechanism through positive and negative rotation of a motor is characterized by comprising a controller, the motor and the positive and negative rotation automatic gear shifting differential mechanism, wherein the controller is connected with a rotating handle signal input end, a high-speed and low-speed button and a power supply, the high-speed and low-speed button can send positive and negative rotation control signals to the motor through the controller, and the rotating handle signal input end can adjust the rotating speed of the motor through the controller; positive and negative automatic gear shifting differential mechanism includes speed change shaft (1) and installs output gear (6) on speed change shaft (1), install low-speed gear group (2), high-speed gear group (3) and gearshift on speed change shaft (1), gearshift sets up between low-speed gear group (2) and high-speed gear group (3), can drive low-speed gear group (2) work through gearshift when motor corotation, can drive high-speed gear group (3) work through gearshift when the motor reversal.
2. The drive system for realizing the automatic gear shifting of the differential through the positive and negative rotation of the motor as claimed in claim 1, wherein the gear shifting mechanism comprises a gear sleeve (4) in splined connection with the transmission shaft (1) and a shifting sheet (5) in splined connection with the gear sleeve (4).
3. The driving system for realizing the automatic gear shifting of the differential gear through the positive and negative rotation of the motor as claimed in claim 2, wherein the two ends of the poking piece (5) are provided with inclined grooves.
4. The driving system for realizing the automatic gear shifting of the differential through the positive and negative rotation of the motor as claimed in claim 2, wherein the low-speed gear set (2) comprises a first shaft sleeve (21) movably sleeved on the speed change shaft (1), a first gear (22) fixedly sleeved on the first shaft sleeve (21) and a first ratchet (23) splined on the first shaft sleeve (21), one side of the first gear (22) close to the shifting piece (5) is provided with an internal spline capable of being matched with an external spline of the shifting piece (5), the speed change shaft (1) is splined with a first ratchet (24) matched with the first ratchet (23), and a reed is arranged between the first ratchet (23) and the first gear (22).
5. The driving system for realizing the automatic gear shifting of the differential through the forward and reverse rotation of the motor as claimed in claim 2, wherein the high-speed gear set (3) comprises a second shaft sleeve (31) movably sleeved on the speed change shaft (1), a second gear (32) fixedly sleeved on the second shaft sleeve (31), and a second ratchet (33) splined on the second shaft sleeve (31), a second ratchet (34) is movably sleeved on the speed change shaft (1), an internal spline capable of being matched with an external spline of the dial plate (5) is arranged on one side of the second ratchet (34) close to the dial plate (5), and a spring plate is arranged between the second ratchet (33) and the second gear (32).
6. The drive system for realizing automatic gear shifting of the differential mechanism through forward and reverse rotation of the motor as claimed in claim 1, wherein the controller is provided with an electronic brake.
7. The driving system for realizing the automatic gear shifting of the differential through the forward and reverse rotation of the motor as claimed in claim 1, wherein the forward and reverse rotation automatic gear shifting differential is provided with a mechanical parking mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220923708.4U CN217115945U (en) | 2022-04-20 | 2022-04-20 | Driving system for realizing automatic gear shifting of differential mechanism through positive and negative rotation of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220923708.4U CN217115945U (en) | 2022-04-20 | 2022-04-20 | Driving system for realizing automatic gear shifting of differential mechanism through positive and negative rotation of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217115945U true CN217115945U (en) | 2022-08-02 |
Family
ID=82583669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220923708.4U Active CN217115945U (en) | 2022-04-20 | 2022-04-20 | Driving system for realizing automatic gear shifting of differential mechanism through positive and negative rotation of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217115945U (en) |
-
2022
- 2022-04-20 CN CN202220923708.4U patent/CN217115945U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207809033U (en) | Hybrid electric drive system and vehicle | |
| CN204123946U (en) | Hybrid gearbox and use the vehicle of this change-speed box | |
| CN103939535B (en) | Electric vehicle dual-motor variable speed device and shift control method thereof | |
| CN207809032U (en) | Hybrid electric drive system and vehicle | |
| CN104477021A (en) | Double-motor multi-mode rotation speed coupling driving assembly | |
| CN109263454B (en) | Gear shifting control method of double-motor transverse electric drive axle assembly system | |
| CN105443707A (en) | Electric driver based on two-gear transmission | |
| TW201417462A (en) | Dual coupling electromechanical driving device and inner variable dual coupling electromechanical and clutch deceleration driving device | |
| CN203796867U (en) | Dual-motor two-level speed changer for electric car | |
| CN212499884U (en) | Double-motor high-low speed interval power system | |
| CN207814352U (en) | Speed changer, power-driven system and vehicle | |
| CN207809039U (en) | Hybrid electric drive system and vehicle | |
| CN202674190U (en) | Electric vehicle transmission box capable of achieving outputting two different speed ratios through positive and negative rotation of input shaft | |
| CN217115945U (en) | Driving system for realizing automatic gear shifting of differential mechanism through positive and negative rotation of motor | |
| CN204123949U (en) | Hybrid power transmission system and use the vehicle of this transmission system | |
| CN207809035U (en) | Hybrid electric drive system and vehicle | |
| CN207809034U (en) | Hybrid electric drive system and vehicle | |
| CN209892699U (en) | Double planetary gear set type two-speed electric drive transmission | |
| CN210003791U (en) | Automatic speed changing system of electric vehicles | |
| CN211202802U (en) | Energy-saving two-gear transmission of electric automobile | |
| CN211195862U (en) | Two grades of integrated bridge assemblies and car | |
| CN210258002U (en) | Power transmission integrated system of electric automobile | |
| CN106594190A (en) | Double input shaft transmission system and control method thereof | |
| CN113719589A (en) | Two-gear speed reducer for electric automobile | |
| CN104816623B (en) | A kind of driving means of oil and electricity hybrid vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |